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AGM Battery Recharging
Oh...I just re-read and saw that denr said AGM''s and Wet cells are charged alike. No not really. Not for optimal charging. Take a look here.
But that doesn''t mean you can''t set your output to never go above 14.3 v @ 80deg F and have it charging both a wet Cell and an AGM. You can but, 14.3 is not optimal for a typical Wet Cell and 14.3 is at the high side for the typical AGM. (Just don''t equalize the AGM you''ll "boil" it)
What I do on my boat is have my charger charging the Wet cells (@ about 14.5 V max in the absorption phase) and then I have an echo charger to feed the charge to the AGM I have as my starting battery at about 14.3V max. This works out great because it looks like my echo charger has about a .1-.2 volt drop when feeding my AGM starting battery and never exceeds that limit.
BTW, the reason they have the limits on the AGM is because they don''t want it to "boil" because once it gets "boiled" there is no replenishing of the electrolyte, like there is with a wet cell, so if you do boil it, then its done for. Its a built in safety factor they have .